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MYSQL OR vs IN performance
...than using OR.
Do not believe people who give their "opinion", science is all about testing and evidence.
I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache):
IN: 2.34969592094s
OR: 5.83781504631s
Update:
(I don't have the source code for the original test, as it...
Google Chromecast sender error if Chromecast extension is not installed or using incognito
...hromecast sender in Chrome Incognito or if Chromecast extension is not installed:
5 Answers
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How to use unicode characters in Windows command line?
...ions”).
AFAIK, CMD has perfect support for Unicode; you can enter/output all Unicode chars when any codepage is active.
Windows’ console has A LOT of support for Unicode — but it is not perfect (just “good enough”; see below).
chcp 65001 is very dangerous. Unless a program was speci...
Practical uses of different data structures [closed]
...tworks of communication, data organization etc.
Heap - Dynamic memory allocation in lisp
This is the answer originally posted by RV Pradeep
Some other, less useful links:
Applications are only listed for some data structures
Not application focused, by good summary and relevant
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Date ticks and rotation in matplotlib
... am having an issue trying to get my date ticks rotated in matplotlib. A small sample program is below. If I try to rotate the ticks at the end, the ticks do not get rotated. If I try to rotate the ticks as shown under the comment 'crashes', then matplot lib crashes.
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Difference between Covariance & Contra-variance
...ng function that associates one member of a set with another. More specifically, a mapping can be covariant or contravariant with respect to a relation on that set.
Consider the following two subsets of the set of all C# types. First:
{ Animal,
Tiger,
Fruit,
Banana }.
And second, this c...
cannot download, $GOPATH not set
I want to install json2csv using go get github.com/jehiah/json2csv but I receive this error:
15 Answers
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What's the nearest substitute for a function pointer in Java?
...want to create more methods that do exactly the same thing, except for a small calculation that's going to change one line of code. This is a perfect application for passing in a function pointer to replace that one line, but Java doesn't have function pointers. What's my best alternative?
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How to fix “Incorrect string value” errors?
... @Brian: If you tell it you're giving it cp1252, and you actually give it the UTF-8 for, say, café, it's going to misinterpret that as café. It won't crash, but it will misunderstand the high-bit characters.
– RichieHindle
Jul 22 '09 at 21:36
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How to overwrite styling in Twitter Bootstrap
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Not good practice: github.com/CSSLint/csslint/wiki/Disallow-adjoining-classes
– Damjan Pavlica
Apr 27 '16 at 10:05
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